43 lines
1.2 KiB
C++
43 lines
1.2 KiB
C++
#include <stdint.h>
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#include "smpc.h"
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#include "scsp.h"
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#include "../common/copy.hpp"
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extern void * _sine_start __asm("_binary_scsp_sine_44100_s16be_1ch_1sec_pcm_start");
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void main()
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{
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while ((smpc.reg.SF & 1) != 0);
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smpc.reg.SF = 1;
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smpc.reg.COMREG = COMREG__SNDON;
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while (smpc.reg.OREG[31].val != 0b00000110);
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for (long i = 0; i < 807; i++) { asm volatile ("nop"); } // wait for (way) more than 30µs
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scsp.reg.ctrl.MIXER = MIXER__MEM4MB | MIXER__MVOL(0xf);
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const uint32_t * buf = reinterpret_cast<uint32_t*>(&_sine_start);
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copy<uint32_t>(&scsp.ram.u32[0], buf, 44100 * 2);
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scsp_slot& slot = scsp.reg.slot[0];
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// start address (bytes)
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slot.SA = SA__KYONB | SA__LPCTL__NORMAL | SA__SA(0); // kx kb sbctl[1:0] ssctl[1:0] lpctl[1:0] 8b sa[19:0]
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slot.LSA = 0; // loop start address (samples)
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slot.LEA = 44100; // loop end address (samples)
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slot.EG = EG__EGHOLD; // d2r d1r ho ar krs dl rr
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slot.FM = 0; // stwinh sdir tl mdl mdxsl mdysl
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slot.PITCH = PITCH__OCT(0) | PITCH__FNS(0); // oct fns
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slot.LFO = 0; // lfof plfows
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slot.MIXER = MIXER__DISDL(0b101); // disdl dipan efsdl efpan
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slot.LOOP |= LOOP__KYONEX;
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}
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extern "C"
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void start(void)
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{
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main();
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while (1);
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}
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